Add devel/luv: libuv bindings for Lua

libuv bindings for luajit and lua 5.1/ 5.2/ 5.3.
This library makes libuv available to lua scripts.
It was made for the luvit project but should usable
from nearly any lua project.
WWW: https://github.com/luvit/luv

PR: 240699
Submitted by: checo1705 secmailpro